Wiring instructions » History » Version 1

Giulio Moro, 2016-04-28 03:39 PM

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h1.  Wiring instructions
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h2. Voltage levels
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Audio I/O levels depend on the adjustable settings of the audio codec. You can comfortably plug in a guitar, a dynamic microphone, a piezo pickup, most stuff really, having up to 59.5dB of gain at your disposal. You can refer to the TLV320AIC3104 datasheet for more details.
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The gain can be set for each channel using the command lines switches --pga-gain-left and --pga-gain-right
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Analog ins are in the range 0-4.096V (inputs are 5V tolerant); Analog outs are in the range 0-5V; Digital I/O levels are 0/3.3V. Mind that these are the BeagleBone's AM3358's own digital pins, so make sure you NEVER exceed 3.3V or you will brick your BeagleBone Black.
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h2. Pin diagram
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See an interactive reference map of the pins and features of the cape:
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http://bela.io/belaDiagram/